Answer engine summary
What should Adelaide drivers know about Mercedes-Benz S400 Tyre Size Guide | Wheel Specs, PCD, Offset & Torque Settings Australia?
Adelaide drivers should match tyre choice, wheel fitment and service timing to the vehicle placard, actual driving use and local conditions. Hot SA roads, wet winter braking, Adelaide Hills corners and country touring can all affect tyre wear, grip and comfort, so professional fitment, pressure setup, balancing and wheel alignment matter as much as the tyre product choice itself.
Mercedes-Benz S400 Tyre & Wheel Fitment Guide
The Mercedes-Benz S400 is part of the flagship S-Class lineup, offering luxury, comfort and refined performance. Choosing the correct tyre size and wheel setup is essential to maintain ride quality, safety, and handling performance.
At Autosport Tyreworld, we supply and fit premium tyres for all S-Class models across Adelaide.
Factory Tyre Sizes (Mercedes-Benz S400)
Standard Fitment (W222 / W221 S400)
18 Inch Setup
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Front & Rear: 245/50R18
19 Inch Setup
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Front: 245/45R19
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Rear: 275/40R19
20 Inch AMG Line / Optional
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Front: 245/40R20
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Rear: 275/35R20
Factory Wheel Specifications
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PCD (Bolt Pattern): 5x112
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Centre Bore: 66.6 mm
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Wheel Nut Type: Ball Seat (Mercedes OEM)
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Thread Size: M14 x 1.5
Wheel Offset (ET Range)
Typical factory offsets:
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18” Wheels: ET41 – ET43.5
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19” Wheels: ET36 – ET43.5
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20” Wheels: ET36.5 – ET44
Correct offset is critical to avoid:
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Guard rubbing
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Suspension interference
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Incorrect load distribution
Recommended Tyre Options
For Mercedes-Benz S400, we recommend premium touring tyres for maximum comfort and quietness:
Comfort & Luxury
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Continental PremiumContact C / UC7
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Michelin Primacy 4 / Primacy 5
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Pirelli Cinturato P7
Performance Upgrade
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Michelin Pilot Sport 5
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Continental MaxContact MC7
Budget (Value)
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Kumho PS71
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Falken FK510 / FK520
Wheel Nut Torque Specification
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Torque Setting: 150 Nm
Always use a calibrated torque wrench to ensure:
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Even clamping force
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Brake rotor protection
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Safe driving conditions
Centre Bore & Hub Fitment
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Centre Bore: 66.6 mm
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Use hub-centric rings when fitting aftermarket wheels to maintain vibration-free driving.
Runflat vs Non-Runflat Tyres
Most S-Class models originally come with Runflat tyres (RFT).
Runflat Advantages
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Drive up to 80km after puncture
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No immediate roadside stop required
Non-Runflat Upgrade
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Better ride comfort
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Lower road noise
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More affordable
At Autosport Tyreworld, we can safely convert your S400 to non-runflat tyres if required.
Tyre Pressure Recommendation
Typical guide (always confirm via door placard):
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Front: 36–38 PSI
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Rear: 38–42 PSI
Why Choose Autosport Tyreworld?
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Genuine premium tyre brands
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Expert fitment & balancing
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Competitive Adelaide pricing
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Correct load rating & speed rating advice
Visit Autosport Tyreworld Adelaide
Magill Store
647 Magill Road, Magill SA 5072
PH: 0452 641 023
Wingfield Store
411 Grand Junction Road, Wingfield SA 5013
PH: 0433 645 411
Clarence Gardens Store
911 South Road, Clarence Gardens SA 5039
PH: 0420 299 911
Local tyre and service checklist
| Check | What to confirm | Why it matters in Adelaide |
|---|---|---|
| Vehicle match | Mercedes-Benz S400 Tyre Size Guide | Wheel Specs, PCD, Offset & Torque Settings Australia | Advice should suit the vehicle placard, load rating, speed rating and real driving use. |
| Tyre condition | Tread depth, sidewall age, pressure and uneven wear. | Heat, potholes, kerbs and wet winter roads can expose weak or ageing tyres quickly. |
| Setup work | Fitting, balancing, pressure setting and wheel alignment. | Correct setup helps tyres brake consistently, steer cleanly and wear evenly. |
| Local support | Magill, Clarence Gardens and Wingfield store access. | Useful for Adelaide drivers comparing tyres, wheels, brakes, suspension or mechanical checks. |
FAQ
Is Mercedes-Benz S400 Tyre Size Guide | Wheel Specs, PCD, Offset & Torque Settings Australia relevant for Adelaide drivers?
Yes, if the advice is matched to the vehicle and how it is driven. City commuting, hills roads, country trips and performance use can all need different tyre and setup priorities.
Should tyre advice include wheel alignment?
Yes. Alignment, balancing and pressure setup are important because even a quality tyre can wear poorly or feel ordinary if the vehicle setup is wrong.
Can Autosport Tyre World help compare tyre options?
Yes. Autosport Tyre World can compare suitable tyres, wheels and service options across Magill, Clarence Gardens and Wingfield, then recommend a setup for the vehicle's actual use.
Helpful Adelaide tyre links
Autosport Tyre World Adelaide locations
For local tyre advice, fitment checks, balancing and wheel alignment in Adelaide, contact Autosport Tyre World across Magill, Clarence Gardens and Wingfield.
TYREPLUS Magill | Autosport Tyre World Magill
647 Magill Road, Magill SA 5072
Phone: 0452 641 023
TYREPLUS Clarence Gardens | Autosport Tyre World Clarence Gardens
911 South Road, Clarence Gardens SA 5039
Phone: 0420 299 911
TYREPLUS Wingfield | Autosport Tyre World Wingfield
411 Grand Junction Road, Wingfield SA 5013
Phone: 0433 645 411